import _00GraphFuc as gf

#13.4 K33删除一条边就是平面图
m,n=3,3
[V0,V1,E]=gf.completebigraphset(m,n)
gf.drawgraph(E)
print(E)
E=E-{('x0','y0')}
gf.drawgraph(E)
print(E)